Presence detector



FIG. 1 is a perspective view of a presence detector showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of an embodiment of a presence detector showing our new design; and,

FIG. 9 is a perspective view of another embodiment of a presence detector showing our new design.

The broken lines shown in FIGS. 8 and 9 depict portions of the presence detector that form no part of the claimed design. 

CLAIM The ornamental design for a presence detector, as shown and described. 